The average annual return over the period 1886-2006 for stocks that comprise the S&P 500 is 12%,and the standard deviation of returns is 20%.Based on these numbers what is a 95% confidence interval for 2007 returns?
A) -28%,52%
B) -10%,40%
C) -20%,35%
D) -15%,35%
Correct Answer:
Verified
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